| File name: | 900da53f8f93633b3327162836a260d6f65bd97fc2a0c20ce5af568fd644f398 |
| Full analysis: | https://app.any.run/tasks/19367816-2df2-4695-86fb-d1c751a429b4 |
| Verdict: | Malicious activity |
| Threats: | GuLoader is an advanced downloader written in shellcode. It’s used by criminals to distribute other malware, notably trojans, on a large scale. It’s infamous for using anti-detection and anti-analysis capabilities. |
| Analysis date: | December 04, 2024, 14:56:07 |
| OS: | Windows 10 Professional (build: 19045, 64 bit) |
| Tags: | |
| Indicators: | |
| MIME: | application/vnd.microsoft.portable-executable |
| File info: | PE32 executable (GUI) Intel 80386, for MS Windows, Nullsoft Installer self-extracting archive, 5 sections |
| MD5: | DB4FB8E7AD15FB8AFF39F1FD3274840C |
| SHA1: | C995F46A60B8B87D420DDAFD9524498A835105F5 |
| SHA256: | 900DA53F8F93633B3327162836A260D6F65BD97FC2A0C20CE5AF568FD644F398 |
| SSDEEP: | 24576:Pqyhk6tdkJM+OnS38bPI+HYlZszku5ijcsIL7etXolrFghSOqaFi2q:Pqyhk6tdkJM+OnSIPI+HYlZszkUijcsu |
MALICIOUS
Run PowerShell with an invisible window
- powershell.exe (PID: 420)
GULOADER has been detected
- 900da53f8f93633b3327162836a260d6f65bd97fc2a0c20ce5af568fd644f398.exe (PID: 4504)
GULOADER has been detected (YARA)
- powershell.exe (PID: 420)
- Fortyndende.exe (PID: 4308)
GULOADER SHELLCODE has been detected (YARA)
- powershell.exe (PID: 420)
- Fortyndende.exe (PID: 4308)
SUSPICIOUS
Starts POWERSHELL.EXE for commands execution
- 900da53f8f93633b3327162836a260d6f65bd97fc2a0c20ce5af568fd644f398.exe (PID: 4504)
Executable content was dropped or overwritten
- powershell.exe (PID: 420)
INFO
Checks supported languages
- 900da53f8f93633b3327162836a260d6f65bd97fc2a0c20ce5af568fd644f398.exe (PID: 4504)
Creates files or folders in the user directory
- 900da53f8f93633b3327162836a260d6f65bd97fc2a0c20ce5af568fd644f398.exe (PID: 4504)
Reads the computer name
- 900da53f8f93633b3327162836a260d6f65bd97fc2a0c20ce5af568fd644f398.exe (PID: 4504)
The executable file from the user directory is run by the Powershell process
- Fortyndende.exe (PID: 4308)
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report
TRiD
| .exe | | | Win32 Executable MS Visual C++ (generic) (42.2) |
|---|---|---|
| .exe | | | Win64 Executable (generic) (37.3) |
| .dll | | | Win32 Dynamic Link Library (generic) (8.8) |
| .exe | | | Win32 Executable (generic) (6) |
| .exe | | | Generic Win/DOS Executable (2.7) |
EXIF
EXE
| MachineType: | Intel 386 or later, and compatibles |
|---|---|
| TimeStamp: | 2016:07:25 00:55:31+00:00 |
| ImageFileCharacteristics: | No relocs, Executable, No line numbers, No symbols, 32-bit |
| PEType: | PE32 |
| LinkerVersion: | 6 |
| CodeSize: | 25088 |
| InitializedDataSize: | 3805696 |
| UninitializedDataSize: | 2048 |
| EntryPoint: | 0x327d |
| OSVersion: | 4 |
| ImageVersion: | 6 |
| SubsystemVersion: | 4 |
| Subsystem: | Windows GUI |
Total processes
122
Monitored processes
4
Malicious processes
3
Suspicious processes
0
Behavior graph
Click at the process to see the details
Process information
PID | CMD | Path | Indicators | Parent process | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 420 | powershell.exe -windowstyle hidden "$Intensives=Get-Content -raw 'C:\Users\admin\AppData\Local\Flnseren\Farveinstallationsprogrammerne\Mustee\Solfegevelse\Caucuses.Gan16';$Barbituric=$Intensives.SubString(72990,3);.$Barbituric($Intensives) " | C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe | 900da53f8f93633b3327162836a260d6f65bd97fc2a0c20ce5af568fd644f398.exe | ||||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Windows PowerShell Exit code: 0 Version: 10.0.19041.1 (WinBuild.160101.0800) Modules
| |||||||||||||||
| 936 | \??\C:\WINDOWS\system32\conhost.exe 0xffffffff -ForceV1 | C:\Windows\System32\conhost.exe | — | powershell.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Console Window Host Exit code: 0 Version: 10.0.19041.1 (WinBuild.160101.0800) Modules
| |||||||||||||||
| 4308 | "C:\Users\admin\AppData\Local\Temp\Fortyndende.exe" | C:\Users\admin\AppData\Local\Temp\Fortyndende.exe | powershell.exe | ||||||||||||
User: admin Integrity Level: MEDIUM Modules
| |||||||||||||||
| 4504 | "C:\Users\admin\Desktop\900da53f8f93633b3327162836a260d6f65bd97fc2a0c20ce5af568fd644f398.exe" | C:\Users\admin\Desktop\900da53f8f93633b3327162836a260d6f65bd97fc2a0c20ce5af568fd644f398.exe | explorer.exe | ||||||||||||
User: admin Integrity Level: MEDIUM Exit code: 4294967295 Modules
| |||||||||||||||
Total events
5 626
Read events
5 626
Write events
0
Delete events
0
Modification events
Executable files
1
Suspicious files
6
Text files
6
Unknown types
0
Dropped files
PID | Process | Filename | Type | |
|---|---|---|---|---|
| 4504 | 900da53f8f93633b3327162836a260d6f65bd97fc2a0c20ce5af568fd644f398.exe | C:\Users\admin\AppData\Local\Flnseren\Farveinstallationsprogrammerne\Mustee\Solfegevelse\menthadiene.cob | binary | |
MD5:32D15CF115A883849E7D68D20E260018 | SHA256:F02C72537DC221266B71FFAB59AE5597EA1E082E55DC666E16837739F2DD2C7C | |||
| 4504 | 900da53f8f93633b3327162836a260d6f65bd97fc2a0c20ce5af568fd644f398.exe | C:\Users\admin\AppData\Local\Flnseren\Farveinstallationsprogrammerne\Mustee\Solfegevelse\Caucuses.Gan16 | text | |
MD5:3C66F76F25B31F2CA93B2B8864F82E4B | SHA256:B9FDB0D31C169B0059E86D35B606AAF555F9A4DFE6D6FAC4D562DFA5765414A7 | |||
| 4504 | 900da53f8f93633b3327162836a260d6f65bd97fc2a0c20ce5af568fd644f398.exe | C:\Users\admin\AppData\Roaming\Microsoft\Windows\Templates\koleraepidemi.lnk | binary | |
MD5:90F7D7353FB96AF32B866D022B19454F | SHA256:AB08AE5734F853B7C72F79ECD9493302ABE99E1F4189EB27E2A44485B921B716 | |||
| 420 | powershell.exe | C:\Users\admin\AppData\Local\Temp\__PSScriptPolicyTest_sr1bd3yz.jf5.ps1 | text | |
MD5:D17FE0A3F47BE24A6453E9EF58C94641 | SHA256:96AD1146EB96877EAB5942AE0736B82D8B5E2039A80D3D6932665C1A4C87DCF7 | |||
| 4504 | 900da53f8f93633b3327162836a260d6f65bd97fc2a0c20ce5af568fd644f398.exe | C:\Users\admin\AppData\Local\Flnseren\Farveinstallationsprogrammerne\Mustee\Solfegevelse\desexualisation.sav | binary | |
MD5:44B1E89488E4FA8853E0D007FD9F1622 | SHA256:439B23D2B0398E078BD644E8B11BE483EE368E8D3A2E83D4F77CDE3765DC0BEE | |||
| 4504 | 900da53f8f93633b3327162836a260d6f65bd97fc2a0c20ce5af568fd644f398.exe | C:\Users\admin\AppData\Local\Flnseren\Farveinstallationsprogrammerne\Mustee\Solfegevelse\Mutts251.txt | text | |
MD5:D020E4D2003E9A1D7FF540A92A3B5871 | SHA256:5C8DE863779EDF0E85F9BA3F12C0A0835CAF3AC38D31A5F41214F0EE94690D30 | |||
| 4504 | 900da53f8f93633b3327162836a260d6f65bd97fc2a0c20ce5af568fd644f398.exe | C:\Users\admin\AppData\Local\Flnseren\Farveinstallationsprogrammerne\Mustee\Solfegevelse\ansatsstykkers.fol | binary | |
MD5:03117BE064FE3FA41C8EFC3F91C2B4D8 | SHA256:858BF99BF9F054C3081ED5986287B2CB0B5BDB3A4C555CA8D352191D08B7084B | |||
| 4504 | 900da53f8f93633b3327162836a260d6f65bd97fc2a0c20ce5af568fd644f398.exe | C:\Users\admin\AppData\Local\Flnseren\Farveinstallationsprogrammerne\Mustee\Segmentalize.Imp | binary | |
MD5:F289E4AFEA7818510CB1CC15E09BAD1C | SHA256:0260ABF121A9218890B9596E1DA5EF7851EB77B5705E6F0F64F0455D48EA5DCA | |||
| 420 | powershell.exe | C:\Users\admin\AppData\Local\Temp\__PSScriptPolicyTest_3wbel4ff.cv4.ps1 | text | |
MD5:D17FE0A3F47BE24A6453E9EF58C94641 | SHA256:96AD1146EB96877EAB5942AE0736B82D8B5E2039A80D3D6932665C1A4C87DCF7 | |||
| 420 | powershell.exe | C:\Users\admin\AppData\Local\Temp\__PSScriptPolicyTest_5dg3leom.d30.psm1 | text | |
MD5:D17FE0A3F47BE24A6453E9EF58C94641 | SHA256:96AD1146EB96877EAB5942AE0736B82D8B5E2039A80D3D6932665C1A4C87DCF7 | |||
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
7
TCP/UDP connections
20
DNS requests
7
Threats
0
HTTP requests
PID | Process | Method | HTTP Code | IP | URL | CN | Type | Size | Reputation |
|---|---|---|---|---|---|---|---|---|---|
4308 | Fortyndende.exe | GET | — | 50.6.194.42:80 | http://crstvda.com/PYQSW82.bin | unknown | — | — | unknown |
4308 | Fortyndende.exe | GET | — | 50.6.194.42:80 | http://crstvda.com/PYQSW82.bin | unknown | — | — | unknown |
4712 | MoUsoCoreWorker.exe | GET | 200 | 88.221.169.152:80 | http://www.microsoft.com/pkiops/crl/MicSecSerCA2011_2011-10-18.crl | unknown | — | — | unknown |
5736 | svchost.exe | GET | 200 | 88.221.169.152:80 | http://www.microsoft.com/pkiops/crl/MicSecSerCA2011_2011-10-18.crl | unknown | — | — | unknown |
4712 | MoUsoCoreWorker.exe | GET | 200 | 2.16.241.12:80 | http://crl.microsoft.com/pki/crl/products/MicRooCerAut2011_2011_03_22.crl | unknown | — | — | unknown |
5736 | svchost.exe | GET | 200 | 2.16.241.12:80 | http://crl.microsoft.com/pki/crl/products/MicRooCerAut2011_2011_03_22.crl | unknown | — | — | unknown |
4308 | Fortyndende.exe | GET | — | 50.6.194.42:80 | http://crstvda.com/PYQSW82.bin | unknown | — | — | unknown |
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
Connections
PID | Process | IP | Domain | ASN | CN | Reputation |
|---|---|---|---|---|---|---|
4 | System | 192.168.100.255:137 | — | — | — | unknown |
4712 | MoUsoCoreWorker.exe | 20.73.194.208:443 | settings-win.data.microsoft.com | MICROSOFT-CORP-MSN-AS-BLOCK | NL | unknown |
5736 | svchost.exe | 20.73.194.208:443 | settings-win.data.microsoft.com | MICROSOFT-CORP-MSN-AS-BLOCK | NL | unknown |
— | — | 20.73.194.208:443 | settings-win.data.microsoft.com | MICROSOFT-CORP-MSN-AS-BLOCK | NL | unknown |
4 | System | 192.168.100.255:138 | — | — | — | unknown |
5736 | svchost.exe | 2.16.241.12:80 | crl.microsoft.com | Akamai International B.V. | DE | unknown |
4712 | MoUsoCoreWorker.exe | 2.16.241.12:80 | crl.microsoft.com | Akamai International B.V. | DE | unknown |
5736 | svchost.exe | 88.221.169.152:80 | www.microsoft.com | AKAMAI-AS | DE | unknown |
4712 | MoUsoCoreWorker.exe | 88.221.169.152:80 | www.microsoft.com | AKAMAI-AS | DE | unknown |
4712 | MoUsoCoreWorker.exe | 51.124.78.146:443 | settings-win.data.microsoft.com | MICROSOFT-CORP-MSN-AS-BLOCK | NL | unknown |
DNS requests
Domain | IP | Reputation |
|---|---|---|
settings-win.data.microsoft.com |
| unknown |
google.com |
| unknown |
crl.microsoft.com |
| unknown |
www.microsoft.com |
| unknown |
crstvda.com |
| unknown |
self.events.data.microsoft.com |
| unknown |